Tokuhiro, Keizo
Satouh, Yuhkoh
Nozawa, Kaori
Isotani, Ayako
Fujihara, Yoshitaka
Hirashima, Yumiko
Matsumura, Hiroyuki
Takumi, Kazuhiro
Miyano, Takashi
Okabe, Masaru
Benham, Adam M.
Ikawa, Masahito
Article History
Received: 12 May 2015
Accepted: 21 August 2015
First Online: 21 September 2015
Competing interests
: The authors declare no competing financial interests.